Add dotenv config

.gitignore

@@ -2,4 +2,5 @@ bin/
 node_modules/
 pki/
 state/
+.env
 hostname.txt

package.json

@@ -6,6 +6,7 @@
   "private": true,
   "dependencies": {
     "compression": "^1.7.3",
+    "dotenv": "^7.0.0",
     "express": "^4.16.4",
     "iconv-lite": "^0.4.24",
     "morgan": "^1.9.1",
@@ -19,6 +20,7 @@
   },
   "devDependencies": {
     "@types/compression": "^0.0.36",
+    "@types/dotenv": "^6.1.1",
     "@types/express": "^4.16.1",
     "@types/jest": "^24.0.11",
     "@types/multiparty": "^0.0.32",

src/index.ts

@@ -1,3 +1,5 @@
+import "dotenv/config";
+
 import fs = require("fs");
 import https = require("https");
 import http = require("http");

yarn.lock

@@ -331,6 +331,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/dotenv@^6.1.1":
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/@types/dotenv/-/dotenv-6.1.1.tgz#f7ce1cc4fe34f0a4373ba99fefa437b0bec54b46"
+  integrity sha512-ftQl3DtBvqHl9L16tpqqzA4YzCSXZfi7g8cQceTz5rOlYtk/IZbFjAv3mLOQlNIgOaylCQWQoBdDQHPgEBJPHg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/express-serve-static-core@*":
   version "4.16.1"
   resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.16.1.tgz#35df7b302299a4ab138a643617bd44078e74d44e"
@@ -1090,6 +1097,11 @@ domexception@^1.0.1:
   dependencies:
     webidl-conversions "^4.0.2"
 
+dotenv@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-7.0.0.tgz#a2be3cd52736673206e8a85fb5210eea29628e7c"
+  integrity sha512-M3NhsLbV1i6HuGzBUH8vXrtxOk+tWmzWKDMbAVSUp3Zsjm7ywFeuwrUXhmhQyRK1q5B5GGy7hcXPbj3bnfZg2g==
+
 ecc-jsbn@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"